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Transcortical and cervical magnetic stimulation with recording of the diaphragm.

• Udo Anton Zifko, H. Remtulla, Kevin Power, Laurence Harker, Charles F. Bolton
• Muscle & nerve
• 1996

Transcortical and cervical magnetic stimulation is a potential method of examining the central inspiratory pathway to phrenic motor neurons. The reliability and accuracy of this technique were… (More)

Phrenic nerve conduction study in normal subjects.

• Ren-gui Chen, Steven John Collins, H. Remtulla, Andrew Parkes, Charles F. Bolton
• Muscle & nerve
• 1995

Phrenic nerve conduction studies were performed in 50 phrenic nerves from 25 normal subjects using a technique modified from previously described methods. The normal ranges for latency, amplitude,… (More)

Respiratory electrophysiological studies in Guillain-Barré syndrome.

• Udo Anton Zifko, Robert Chen, H. Remtulla, Angelika F G Hahn, Wilma Koopman, Charles F. Bolton
• Journal of neurology, neurosurgery, and…
• 1996

Respiratory failure is a common and potentially life threatening complication in patients with Guillain-Barré syndrome. The incidence of phrenic nerve involvement and the predictive value of phrenic… (More)

Neuromuscular disorders associated with failure to wean from the ventilator

• John Maher, Felix N. Rutledge, H. Remtulla, Andrew Parkes, Leda Bernardi, Charles F. Bolton
• Intensive Care Medicine
• 1995

To determine, by retrospective chart analysis, the frequency, type and significance of neuromuscular disorders in patients whose clinical features suggested a neuromuscular cause of failure to wean.… (More)

Somatosensory evoked potentials of the phrenic nerve.

• Udo Anton Zifko, Bae Jung Young, H. Remtulla, Charles F. Bolton
• Muscle & nerve
• 1995

Needle EMG of the human diaphragm: power spectral analysis in normal subjects.

• Ren-gui Chen, Steven John Collins, H. Remtulla, Andrew Parkes, Charles F. Bolton
• Muscle & nerve
• 1996

Needle EMG of the diaphragm was performed in 43 diaphragms in 23 healthy volunteers. The mean +/- standard deviation for the median frequency (MF) of the power spectrum was 233.3 +/- 58.1 Hz. The MF… (More)

Lambert-Eaton myasthenic syndrome presenting with severe respiratory failure.

• Michael W. Nicolle, Duncan J Stewart, H. Remtulla, Ren-gui Chen, Charles F. Bolton
• Muscle & nerve
• 1996

Two cases of Lambert-Eaton myasthenic syndrome (LEMS) who presented with primary respiratory failure are reported. In each case, although not initially suspected clinically, the electrophysiological… (More)

Central and peripheral respiratory electrophysiological studies in myotonic dystrophy.

• Udo Anton Zifko, Angelika F G Hahn, H. Remtulla, Charles F. P. George, W Wihlidal, Charles F. Bolton
• Brain : a journal of neurology
• 1996

Acute and chronic respiratory failure is a common and potentially life-threatening feature in patients with myotonic dystrophy (MD). The causes may be varied, and can involve both the central and… (More)

The cortical representation of somatosensory evoked potentials of the phrenic nerve

• Udo Anton Zifko, Piotr J. Slomka, Robert H. Reid, Gordon Young, H. Remtulla, Charles F. Bolton
• Journal of the Neurological Sciences
• 1996

Respiratory electrophysiological studies are of essential value in diagnosing and managing patients with respiratory failure, but assessment of the sensory phrenic nerve fibres has been neglected. We… (More)

Distinctive electrophysiological features of denervated muscle in uremic patients.

• Charles F. Bolton, H. Remtulla, +4 authors Shane Burton
• Journal of clinical neurophysiology : official…
• 1997

Abnormal spontaneous activity is a hallmark of acute or subacute denervation of skeletal muscle, particularly in patients with uremic neuropathy. We report 5 patients in whom such activity was… (More)

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